Тарас

TV Taras Vynar
S E N I O R . N E T / F U L L - S TA C K D E V E L O P E R

C O N TA C T
S U M M A RY
EMAIL
[відкрити контакти](див. вище в блоці «контактна інформація») Senior .NET Full-Stack Developer with 5+ years of commercial experience delivering
backend-heavy systems across healthcare and e-commerce. Progressed from individual
PHONE
contributor to team lead, owning architecture end-to-end — from database schema and API
[відкрити контакти](див. вище в блоці «контактна інформація»)
design to cloud infrastructure and team delivery. Specializes in high-load, distributed systems
L O C AT I O N
with strict latency and reliability requirements, applying DDD, Clean Architecture, SOLID, and
Lviv, Ukraine
proven microservices patterns. Combines deep command of the .NET ecosystem and C#
LINKEDIN
performance internals (async/await, multithreading, thread safety, memory management) with
[відкрити контакти](див. вище в блоці «контактна інформація»)
modern frontend work (React, Angular, Blazor) and AI-augmented workflows (Claude Code)
TELEGRAM that raise both delivery speed and code quality.
t.me/tarastarastarastarastarastaras

EXPERIENCE
TECHNICAL SKILLS
Senior Full-Stack Developer · Harmonic Advance Mar 2025 – Present
Backend
Digital therapeutic platform connecting patients with aphasia to licensed therapists, delivering
ASP.NET Core (MVC, Web API), .NET Azure
personalized treatment plans in a sensitive healthcare environment.
Functions, C#, Node.js, Python
Lead and manage the development team day-to-day — running code reviews, coordinating
Architecture
tasks, mentoring engineers, and maintaining high standards in an Agile/Scrum environment.
DDD, Clean Architecture, SOLID, Microservices
(saga, outbox, idempotency, eventual Own product delivery end-to-end — sprint planning, feature scoping, and priority-setting to
consistency) keep development aligned with business goals.

Frontend
Solely responsible for the full backend — designing and maintaining the server-side
React, Angular, Blazor, TypeScript, JavaScript, architecture, API layer, database schema (MSSQL), and Azure infrastructure applying DDD,
Razor, HTML5/CSS3 Clean Architecture, and SOLID.

Architected the system around microservices patterns — saga, outbox, idempotency, and
Databases
MSSQL, PostgreSQL, MySQL, SQLite,
eventual consistency — for a reliable, consistent distributed platform.
MongoDB, Redis, NoSQL Designed secure auth for sensitive patient data with OAuth2 / OpenID Connect,
IdentityServer (Duende), and JWT, following OWASP best practices.
Data / ORM
Entity Framework Core, ADO.NET Applied deep async/await, multithreading, thread-safety, and memory-management
expertise to keep the platform responsive under strict latency and reliability requirements.
Messaging
Kafka, RabbitMQ, CQRS / MediatR, Polly, Event- Established a testing culture with xUnit / NUnit, Moq / NSubstitute, and integration tests; set
Driven up Serilog observability and deployed to Kubernetes.

Designed clean, versioned APIs with OpenAPI / Swagger, API versioning, and backward
APIs
REST, GraphQL, gRPC, SignalR,
compatibility for smooth client integration.
OpenAPI/Swagger, versioning, rate limiting, Researched and shipped AI-powered features into the product, and use Claude Code daily
pagination to accelerate delivery and code review.

Security Stack: ASP.NET Core, .NET Azure Functions, React, Blazor, TypeScript, MSSQL, Azure (Functions, Blob,
OAuth2 / OpenID Connect, IdentityServer / Service Bus), Kubernetes, Docker, Jenkins, EF Core, SignalR, IdentityServer/Duende, Serilog, xUnit
Duende, JWT, OWASP
Middle Full-Stack Developer · Evinent GmbH Jan 2023 – Mar 2025
Cloud / DevOps
Azure, AWS, Docker, Kubernetes, Jenkins, CI/CD Foxtrot — one of Ukraine's largest e-commerce platforms for consumer electronics, with a large
product catalog, high traffic, and a distributed development team.
Caching
Distributed caching, cache-aside, cache Contributed across a large cross-functional team to high-load backend systems with strict
invalidation latency and reliability requirements, from backend services to frontend views.

Testing Designed and built a new Web API from scratch — structure, all endpoints, API versioning
xUnit / NUnit, Moq / NSubstitute, integration and pagination strategies — delivered as a standalone service.
testing Drove event-driven development with Kafka and RabbitMQ, decoupling services and

Observability improving throughput.
Serilog, Elasticsearch, Kibana Extensive work with Elasticsearch — complex queries, index tuning, and search
relevance/performance for the product catalog.
Performance
async/await, multithreading, thread safety, Built performance-critical data layers with Redis — distributed caching, cache-aside,
memory management cache invalidation, session management, and rate limiting to keep high-traffic endpoints
stable.
AI Tools
Claude Code — 1+ yr in production workflows Worked across a diverse data stack — MSSQL, PostgreSQL, MySQL, and MongoDB
(NoSQL) — choosing the right store per workload.

E D U C AT I O N Implemented SEO with server-side Razor rendering, structured data, and metadata; built UI
with Razor Views alongside Angular modules; created auxiliary tooling with Node.js.
M.Sc. — Computer Science Stack: ASP.NET Core (MVC, Web API), Razor, Angular, TypeScript, Node.js, MSSQL, PostgreSQL,
Ivan Franko National University of Lviv
MySQL, MongoDB, Redis, Kafka, RabbitMQ, Elasticsearch, Kibana, EF Core, ADO.NET, CQRS/MediatR,
Sep 2024 – Dec 2025
GraphQL, gRPC, SignalR, Docker, AWS, Polly

B.Sc. — Computer Science
Ivan Franko National University of Lviv Junior Full-Stack Developer · IronClad Family Feb 2021 – Jan 2023
Sep 2020 – May 2024 Maintained and extended a legacy .NET application — navigating an existing codebase, fixing
issues, and refactoring to keep the system stable for active users.

LANGUAGES Led a brand-new application from scratch — built the full backend (ASP.NET Core) and
frontend (Angular) independently, from blank project to production.
Ukrainian Native Invested heavily in application security — data protection, secure authentication flows, and
English B2 · Upper-Int. OWASP best practices for sensitive user information.

Built Python scripts and tooling to automate routine tasks and support data processing across
both projects.

Stack: ASP.NET Core, Angular, TypeScript, Python, MSSQL, SQLite, EF Core, REST API, HTML5/CSS3